dat.gui is present after leaving the page

[onixapple]

Hello , due to lack of time i implemented three js in react the primitive way, set route for it and works fine untill i switch to another link.

const Modeling = () => {
const mountRef = useRef(null);
useEffect(() => {
three.js codee
)}
return (

After going back to the another page, dat.gui is present there
Any idea why?

[andrevenancio]

the code above doesn't really help because you are not referencing any dat.gui code. But dat.gui add's to the document.body automatically unless you tell it not to via new dat.GUI({ autoPlace: false });